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Louis K. Chang, MD, PhD

Louis K. Chang, MD, PhD, Northern California Retina Vitreous Associates


  • Undergraduate School
    Stanford University, Stanford, CA
  • Medical School
    Washington University, St. Louis, MO
  • Ophthalmology Residency
    Jules Stein Eye Institute, UCLA, Los Angeles, CA
  • Retina Fellowship
    Columbia University, New York, NY


Dr. Chang grew up in Newton, Massachusetts. He earned a Bachelor of Science in Biological Sciences from Stanford University, graduating Phi Beta Kappa and with Honors and Distinction. Dr. Chang then earned his MD and PhD degrees from Washington University Medical School through the Medical Scientist Training Program. In addition to the standard medical school curriculum, he performed in-depth research for his doctoral thesis on how cells in the nervous system die in various diseases.

Dr. Chang completed his ophthalmology residency at UCLA / Jules Stein Eye Institute. During residency, he received the resident award for ophthalmic knowledge and the resident award for Excellence in Ophthalmic Surgery. Dr. Chang then performed a fellowship in medical and surgical diseases of the retina and vitreous at Columbia University in New York City. During fellowship, Dr. Chang was a recipient of the Heed Ophthalmic Foundation Fellowship, awarded nationally to top clinical fellows in ophthalmology. In addition, he received the Ronald G. Michels Fellowship Foundation award, given to outstanding fellows in vitreoretinal surgery.

He then joined the faculty at Columbia University, where he was the Helen and Martin Kimmel Assistant Professor of Ophthalmology. Dr. Chang gained extensive experience with managing complicated surgical cases, including complex retinal detachments. In addition to his clinical responsibilities, he was also involved in many clinical, translational and basic science research projects. Dr. Chang was also actively involved in teaching medical students, residents and fellows and was recognized with a teaching award from the ophthalmology residents.

Dr. Chang is Board certified by the American Board of Ophthalmology. He has published numerous original research articles and book chapters on a wide variety of retinal and ophthalmic topics. He is an active member of the American Society of Retina Specialists, American Academy of Ophthalmology and the Association for Research in Vision and Ophthalmology. He was recently elected to become a member of the prestigious Retina Society.

Outside of medicine, Dr. Chang enjoys cooking, the outdoors and spending time with his wife and two daughters.

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